Acetylene-lamp.



H. KERST.

AOETYLENE LAMP.

APPLICATION FILED JULY 15, 1910.

Patented Feb.6,1912.

HENRY KERST, OF SPRINGFIELD, ILLINOIS.

ACETYLENE-LAMP.

Specification of Letters Patent.

Patented Feb. a, rare.

Application filed July 15, 1910. Serial No. 572,126.

will enable others skilled in the artto make and use my said invention.

The invention relates primarily to acetylene lamps such as are used by miners, but is obviously applicable, without material modification, to table lamps, or vehicle lamps.

The purposes of the invention are: To provide in a lamp of the class described,' a distributor of improved construction adapted to apply and distribute water in the mass of carbid used ingenerating the gas, and operative to break the incrustation of spent carbid or other obstructive material accumulating on the distributor during the operation of the lamp; to provide means for ad'- justing from the outside of the lamp, the valve controlling the water supply; to pro videmeans for operating fromthe outside .ofthe lamp, the distributer applying water to the carbid; to provide other new anduseful features of construction hereinafter set forth. l

The invention is embodied ina lamp comprising the novel feature of construction and combination of parts shown in the'annexed drawing, and hereinafter particularly described and finally recited in the claims.

Figure l is a sideelevation of the lamp and Fig. 2-is a vertical, axial section through the lamp.

The lamp is preferably constructed of suitable light sheet metal andvcomprises a carbid box 1, a screw cap 2, screwing onto the carbid 00x and a water reservoir 3,:supported by the cap 2 and extending downwardly into the car-bid box. A gasket I 6 forms a gastight connection between the carbid box 1 and the cap 2. The cap 2 has at its upper endan opening 3, closed by a hinged cover 4. The cover 4 is mounted to; turn on a staple 5, fixed on the ilpper end of; the cap 2,

and has a thumb-piece 4: to facilitate raising the cover; it also has a central hub Pf "which the vertical rod 10 slides.

accommodating a tubular screw 7. A pin 8' is adapted to slide in the bore of the screw 7, and has at each end a knob, or equivalent means, to keep the pin from pulling out of the screw. I

Inside of the reservoir 3 is a stationary horizontal spider 9, having a central hole in The reservoir 3'has at its lower end a central valveseat 3 and a central tube 3. A valve 12 secured on the rod- 10 fits on the valve seat 3" and is adapted to slide in the tube 3.

A closely coiled springy feed tube or distributer 13 has its upper end open and secured in the lower part of the tube 3, and its lower end closed and secured on the lower end of the rod 10. a

A washer 14: is secured on theupper end of the'rod 10. The lower end of the pin 8 rests on top of the washer 14. A spring 15, of sufiicient rigidity to normally keep the valve closed, surrounds the rod .10 between the spider 9 and the washer 14 and acts to keep the valve 12 on the seat 3*; v

'Water is poured into the reservoir 3 through the opening 3 I A burner 16 is mounted on a tube 1 which communicates with the interior of the carbid box. Fibrous material 17 in the tube 1, filters the gas passing from the carbid box tot-he burner. 1

In practical use a sufiicient quantity ofcarbid will be placed inthe box 1. The reser voir 3 will be supplied with Water and the cap 2 will be screwed onto the box 1 so that the reservoir will be suspended centrally within the boX. *-'The screw 7 will, then be turned downward and the lower end of the screw, acting on the upper end of the rod 10, will push the rod downward to open the valve 12 sufiiciently for a normal supply of Water to drip through the tube 3 into the space surrounding the rod 10 inside of the distributer 13, and will seepthrough the interstices between the coils of the distribuof water is insuflicient .the screw 7 will be turned downward to open the valve to increase the valve opening.

It is found in practice that an incrustation of carbid ash or other obstructive material accumulates in the lower end of the feed-tubes of lamps as constructed prior to my invention, and obstructs or completely closes the lower end of the feed-tube. It is also found in practice that a single opening at the end of the feed tube, for supplying water to the carbid, is objectionable because the Water is supplied within such a small space that frequently the quantity is insufficient for proper generating of the gas. On the other hand, if excessive water is supplied, thecarbid at the end of the tube becomes drowned or water-soaked. The tubular springy distributer tube 13, which I use, permits the distribution of the water along the entire len th of the tube and in contact with the carbid, and the feed of the water can be so accurately controlled that there is no danger of drowning the mass of carbid; and the water contactingwith the greater mass of carbid is more'certainly and effec tively applied to generate the constant supply of gas.

If incrustation forms on the distributer 13, or if the interstices between the coils of the tube become stopped, it is only necessary to push the pin 8 downward to cause it to act on the upper end of the rod 10 to push the rod downward and thereby stretch the springy distributer tube 13 to break the incrustation and permit normal flow of water between the coils of the distributer. The screw 7 may be turned upward sufiiciently to permit the spring 15 to slide the rod 10 upward to cause the valve 12 to seat firmly on the seat 3 and thereby entirely stop the flow of water.

Having fully described my invention,

what I claim as new and desire tosecure by Letters Patent is:

1. The combination'o'f a carbid box, a reservoir connected with the carbid box, a springy distributer communicating with the interior of the reservoir and adapted to extend downward into the mass of carbid within the carbid box and extensible to break incrustation accumulatingon said distributer and a rod connected with the lower part of the distributer and extending i1pward through the lamp and depressible from-outside the lamp to expand the distributer.

2. The combination of a carbid box, a reservoir connected with the carbid box, a coiled v springy I distributer communicating with the interior of the reservoir and adapted to permit water to seep between the coils of said distributer, a valve between the reservoir and the distributer and a stem connected with the valve and the distributer and operable from outside the lamp to con-.

trol the supply of water from the reservoir to said distributer and to expand said distributer to break incrustation.

The combination of a carbid box, a reservoir connected with the carbid box,'a springy coiled distributer communicatin with the interior of the reservoir an adapted to permit water to seep between the coils of said distributer, a valve controlling the supply ofwater tolhe interior of the distributer, and valve-controlling means connected with the valve and the distributer and operable from outside the lamp to control the supply of water from the reservoir to the interior of said distributer and to control said coiled distributer to vary the flow' of water between the coils thereof to 7 correspond to the opening of the valve.

4. In combination with a carbid box and a reservoir supplying water thereto,.a coiled extensible distributer intercommunicatin with the reservoir and the carbid gm, an an extender connected with the di tributer and operable from outside the lamp to expand the distribute'rto break incrustation on the distributer to increase the fiow of 'lwater from the reservoir into the carbid .5. In combination with a carbid box and I a reservoir supplying water thereto, a feedtube intercommunicating with the reservoir and the carbid box and extensible to break incrustation forming on said feed-tube, a

slidable rod connected with the tube, and-a slidable pin extending upwardly through the lamp and engaging on the end of said rod.

6. The combination with a carbid ,box; a cap connected with the carbid box and having an opening; a reservoir connected with said capand extending into the carbid box and having in its lower 'part-an upwardly tapered valve-opening; an expansible distributer connected with'the reservoir and communicating with the valve-openin thereof; a cover closing the opening in sai cap; a screw mounted on said cover; a slidable pin extending through said screw; a vertically slidable valve-rod in line with and engaged by said pin and adapted to expand said distributer; a valve on said valverod adapted to seat in the valve-opening of said reservoir; and a spring acting to raise the valve-rod to hold the valve on its seat.

7.. The combination of a carbid box; a

'SEIVGI'VOlI' WltlIlD. the carbid box and provided with a valve-seat, an extensible distributer connected with said reservoir, a

vertically slidable valve-rod connected with and adapted to expand said distributer, a

i meme a In Witness whereof I have hereunto signed my name at Springfield Illinois, this 10 21st day of May 1910.

HENRY KERST.

valve eonneetedivith said valve-rod and fitting on the valve seat of said distributer; a spring acting to raise the valve rod to close the valve; an adjusting screw in line with the valve-rod-and operative from the outside of the lamp; and a pin extending Witnesses:

through the adjusting screw and engaging PEARL COLEMAN,

0n the valve rod to slide it downward.

A. G. MURRAY.

fiopies 'of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

